Sibling Incest FanFiction

its takin over me, dont wanna fight the fall

its takin over me, dont wanna fight the fall

M/M
NC-21
Updated
10.04.2025
Fandom
Sturniolo Triplets (Video Blogging RPF)
Characters
Chris Sturniolo/Matt Sturniolo/Nick Sturniolo, Chris Sturniolo, Matt Sturniolo, Nick Sturniolo
Tags
Sibling Incest Truth Spells Breeding Kink listen im sorry the pov changes by the sentence sometimes so uh read slow lol dont come looking for a truth spell w any sort of explanationbtw
He spoke with such disbelief, like he couldn't fathom he was the one trying to convince his brothers the risk outweighs the reward, that there were certain locations with a thinner veil that allowed "weird shit man!" to go down. Spells and geocaches...
Cry, Little Sister

Cry, Little Sister

F/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Draco Malfoy, Ron Weasley, Hermione Granger, Ginny Weasley, Blaise Zabini, Theodore Nott, Hermione Granger/Theodore Nott, Theodore Nott's Mother, Hermione Granger's Father
Tags
Smut Porn with Feelings Angst Mutual Pining Porn With Plot Incest Dubious Consent Sibling Incest Harry Potter Epilogue What Epilogue | EWE Hermione Granger is Bad at Feelings POV Hermione Granger Theodore Nott Being a Little Shit
In June of 1995, Theodore Nott made a deal. He'd take the mark if it meant he could send his mother to the muggle world to keep her safe. The plot thickens when the war ends and he discovers that, not only has his mother remarried, but his new step s...
The choices we make

The choices we make

F/F
F/M
Multi
G
Updated
11.04.2025
Fandom
House of the Dragon (TV) A Song of Ice and Fire & Related Fandoms Game of Thrones (TV)
Characters
Maegor I Targaryen/Tyanna of the Tower, Alys Harroway/Maegor I Targaryen, Ceryse Hightower/Maegor I Targaryen, Melony Piper/Rhaena Targaryen (Daughter of Aenys I), Maegor I Targaryen, Alyssa Velaryon, Alysanne Targaryen, Melony Piper, Rhaena Targaryen (Daughter of Aenys I), Aegon Targaryen (Son of Aenys I), Jaehaerys I Targaryen, Tyanna of the Tower (A Song of Ice and Fire),
Tags
Alternate Universe - Canon Divergence Targcest | Targaryen Incest (A Song of Ice and Fire) Child Murder Motherhood Incest Dysfunctional Family Pregnancy Family Drama Character Death Dead Dove: Do Not Eat Implied/Referenced Character Death Canonical Character Death
Prince Maegor's exile and the subsequent hasty marriage between Princess Rhaena and her brother Aegon confounds the realm. The decisions of House Targaryen had always been strange, questionable, but none like this. No one imagined the secret behind i...
Put a baby in his baby

Put a baby in his baby

F/F
F/M
Gen
M/M
Multi
Other
G
Updated
11.04.2025
Fandom
방탄소년단 | Bangtan Boys | BTS
Characters
Kim Seokjin | Jin, Min Yoongi | Suga, Kim Namjoon | RM, Jung Hoseok | J-Hope, Park Jimin (BTS), Jeon Jungkook, Kim Taehyung | V, Jeon Jungkook/Kim Taehyung | V
Tags
Incest Implied/Referenced Rape/Non-con Underage Sex - Freeform Sibling Incest Nipple Play Underage Rape/Non-con Cock Warming Cock Worship Cock Piercing Cock Slut Kim Taehyung | V Nipple Piercings Female Kim Taehyung | V
Jungkook loves putting a baby on his baby
Under that Vast and Timeless Sky

Under that Vast and Timeless Sky

F/F
Multi
Other
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling Lucky Star (Anime & Manga) 蟲師 | Mushishi (Anime & Manga)
Characters
Original Characters, Hiiragi Kagami/Hiiragi Tsukasa, Hiiragi Kagami/Izumi Konata, Hiiragi Kagami/Everyone, Hiiragi Kagami, Hiiragi Tsukasa, Izumi Konata, Takara Miyuki, Ginko (Mushishi)
Tags
Family Slow Burn Magic Hurt/Comfort Fluff and Angst Cuddling & Snuggling Sibling Incest Crying Alternate Universe Death Love Alternate Universe - Magic
The emotions often felt but never shared... What does it mean to find one's other half? What is love if not the closeness of a beating heart, a shoulderful of awkward tears? Those small moments forging an enduring bond? Connected by fate, by love, by...
My favorite star

My favorite star

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Pandora Lovegood, Regulus Black/Sirius Black
Tags
Sibling Incest Regulus Black and Sirius Black Angst POV Regulus Black Regulus Black & Pandora Lovegood Friendship Sirius Black Needs a Hug Sirius Black's Prank on Severus Snape Protective Regulus Black Suicidal Sirius Black Possessive Regulus Black
When, after a heated argument, the Black brothers drift apart. But in a difficult situation, will Regulus' love for his brother be stronger than his resentment?
And gay and unknown iy

And gay and unknown iy

F/F
F/M
Gen
M/M
Multi
Other
G
Updated
11.04.2025
Fandom
The World of Mr. Plant - Ashur Gharavi (Web Series)
Tags
Incest Gay Sex Sibling Incest Daddy Kink Parent/Child Incest Sick Tim Drake
Femslash February Bingo 2025

Femslash February Bingo 2025

F/F
G
Updated
11.04.2025
Fandom
Fragaria Memories
Characters
Klarkstella/Louterstella (Fragaria Memories), Louterstella (Fragaria Memories), Klarkstella (Fragaria Memories), Lala (Hello Kitty), Kiki (Hello Kitty)
Tags
Incest Pre-Canon Other Additional Tags to Be Added First Kiss First Meetings Sibling Incest Kid Fic Femslash February 2025 Femslash February Bingo 2025 Brother/Brother Incest Festivals Inspired by The Starsending (Twisted-Wonderland)
Stellacest Femslash February Bingo works!Only t̶h̶r̶e̶e̶ two this year because mental illness is a bitchChallenge here: https://www.tumblr.com/femslash-february/770785137570054144/welcome-to-raptors-femslash-february-bingo-2025
wicked games

wicked games

F/F
G
Updated
11.04.2025
Fandom
Marvel Cinematic Universe Black Widow (Movie 2021)
Characters
Original Female Character(s), Natasha Romanov (Marvel), Natasha Romanov (Marvel)/Original Female Character(s), Yelena Belova/Natasha Romanov
Tags
Angst Rough Sex Sibling Incest Aftercare Strap-Ons Natasha Romanov Needs a Hug (Marvel) Hair-pulling nat fucks a woman she met at the bar on the condition she gets to call her yelena and no questions so yelena doesn't show up but nat is thinking about her the entire fic and then nat gets really drunk alone Heavy Drinking Shame
Natasha has one of her one-night stands in her apartment in the city, on the condition she gets to call this woman another name: Yelena.
Lilith's nightmare

Lilith's nightmare

F/F
G
Updated
11.04.2025
Fandom
The Owl House (Cartoon) The Owl House
Characters
Eda Clawthorne, Lilith Clawthorne, Eda Clawthorne/Lilith Clawthorne
Tags
Sibling Incest
when lilith become beast form, what did she saw? curious.in the first scene of Keeping Up A-fear-ances why she was becoming to a beast? and what happened when there was no elixers? I can think of it
The True Baratheon Heir

The True Baratheon Heir

F/F
G
Updated
11.04.2025
Fandom
Game of Thrones (TV)
Characters
Arya Stark, Jon Snow, Ned Stark, Robb Stark, Sansa Stark, Bran Stark, Rickon Stark, Catelyn Tully Stark, Varys (A Song of Ice and Fire), Tywin Lannister, Jaime Lannister, Cersei Lannister,
Tags
Incest Sibling Incest Twincest Girl Penis POV Original Female Character Parent/Child Incest Regicide Cersei Lannister Has Children by Robert Baratheon Girl Penis Cassiopeia Baratheon Cersei Lannister and Robert Baratheon's Dead Son Had A Twin Sister Endgame Parent-Child Relationship House Baratheon (A Song of Ice and Fire)
Princess Cassiopeia Baratheon, the only true child of Robert Baratheon and Cersei Lannister, admits a secret she's been holding onto for years to her Mother. How will this secret and Cassiopeia and Cersei's actions change their future and the future...
A House Already Divided Has Plenty Of Room To Fall

A House Already Divided Has Plenty Of Room To Fall

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape,
Tags
Domestic Violence Canon-Typical Violence Consensual Underage Sex Period-Typical Homophobia Homophobic Language Child Abuse Sibling Incest Arranged Marriage Marauders Era (Harry Potter) Hogwarts Underage Drinking Pureblood Culture (Harry Potter)
Narcissa Black is a good student, but she has one weakness;Radolphus Potter.She knows her family has already lost it at Sirius running away, and Andromeda marrying Ted, so why make it worse?Narcissa tried to fight the feelings, trying to let it be a...
Redhead Jokers

Redhead Jokers

F/F
G
Updated
11.04.2025
Fandom
Gotham (TV)
Characters
Jim Gordon (DCU), Leslie Thompkins, Jeremiah Valeska/Jerome Valeska, Female Jeremiah Valeska/Female Jerome Valeska, Female Jerome Valeska/Female Jeremiah Valeska, Jerome Valeska, Jeremiah Valeska, Female Jerome Valeska - Character, Female Jeremiah Valeska - Character, Lila Valeska, Paul Cicero, Haly's Circus Ringmaster (Gotham),
Tags
Alternate Universe - Canon Divergence Incest Sibling Incest Twincest Sister/Sister Incest Gotham (TV) Season/Series 01
Once upon a time, in a circus, in Haley’s Circus, there were two twin girls with reddish orangish copper hair and brown and green eyes, bright smiles and clear laughs. Everyone hated them. Now the children are women and are the infamous Female Joker...
家庭事务

家庭事务

F/F
F/M
G
Updated
11.04.2025
Fandom
Original Work
Characters
Original Female Character(s)/Original Female Character(s), Original Female Character(s)/Original Male Character(s)
Tags
车 Sibling Incest AU
Of Girlfriends and Drunken Nights

Of Girlfriends and Drunken Nights

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Bill Weasley, Percy Weasley, Weasley Family (Harry Potter), Bill Weasley/Percy Weasley
Tags
Incest Dubious Consent First Time Vaginal Sex Sibling Incest Boypussy Boypussy Percy Weasleycest (Harry Potter) Incest is Normalised
Oneshot. Bill comes home from a night out, horny, and decides to have sex with his girlfriend (which is a very natural thing to do) but might have mistaken his brother, Percy, for her from how drunk he is.
Only the sane

Only the sane

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Orion Black, Regulus Black/Sirius Black
Tags
Incest Angst with a Happy Ending Implied/Referenced Child Abuse Obsessive Behavior Light Angst Sibling Incest POV Multiple Insanity
I don't support incest or obssesive relationships in real life, this is just something that i've had in mind Sirius asks Regulus a simple question but his answer leaves Sirius disturbed for many reasons.
Your Eyes

Your Eyes

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, James Potter, Regulus Black/Sirius Black
Tags
Blow Jobs Incest Dead Dove: Do Not Eat Jealousy Sibling Incest Semi-Public Sex Trans Regulus Black My First Work in This Fandom Underage - Freeform Come Swallowing Gift Fic Sirius Black/James Potter mentioned
Read tags, I'm really bad at summaries.* Sirius and James aren't dating, Regulus just thinks they are.
Kidnapping the boy who lived

Kidnapping the boy who lived

M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Remus Lupin, Sirius Black, Ron Weasley, Hermione Granger, Ginny Weasley, Albus Dumbledore, Dudley Dursley, Vernon Dursley, Weasley Family (Harry Potter), Regulus Black/Sirius Black,
Tags
Mutual Masturbation Blow Jobs First Time Blow Jobs Rough Sex Anal Sex Oral Sex Other Additional Tags to Be Added Masturbation Sex Toys Dom/sub Kidnapping Underage Sex - Freeform
The Weasleys were at Privet Drive number 4. They were there to pick Harry up to take him with them. However, a panicked Petunia announced them that the boy had been missing for two days, that he had vanished from thin air.If they only knew that Harry...
Forbidden Love

Forbidden Love

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Albus Dumbledore, Regulus Black/Sirius Black, Regulus Black/Padfoot
Tags
Incest Mpreg Bestiality Sibling Incest Implied/Referenced Cheating Animagus Regulus Black Animagus Sirius Black Animagus Bestiality
Sirius fucks an oblivious Regulus as Padfoot, fulfilling one of Regulus' secret fantasies, and successfully leaving him with a little gift to remember him by even if he himself doesn't remember.
love like blood.

love like blood.

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black/Sirius Black
Tags
Incest Blood Fanart Dead Dove: Do Not Eat Dubious Consent Bestiality Sibling Incest Crying Dacryphilia Bottom Regulus Black Forest Sex Werewolf Sirius Black
werewolf sirius caught a rabbit. title from killing joke ^^ thankyou @sirci for the suggestion i adore u sm